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2. Data mile - Wikipedia

   en.wikipedia.org/wiki/Data_mile

   In radar-related subjects and in JTIDS, a data mile is a unit of distance equal to 6,000 feet (1,829 metres; 0.9875 nautical miles; 1.136 miles). An international mile is 0.88 data mile. The speed of light is 299,792,458 metres per second (983,571,056 ft/s), or about one foot per nanosecond .

3. Nautical mile - Wikipedia

   en.wikipedia.org/wiki/Nautical_mile

   A nautical mile is a unit of length used in air, marine, and space navigation, and for the definition of territorial waters. [2] [3] [4] Historically, it was defined as the meridian arc length corresponding to one minute (⁠ 1 / 60 ⁠ of a degree) of latitude at the equator, so that Earth's polar circumference is very near to 21,600 nautical miles (that is 60 minutes × 360 degrees).

4. Mile run world record progression - Wikipedia

   en.wikipedia.org/wiki/Mile_run_world_record...

   The world record in the mile run is the fastest time set by a runner in the middle-distance track and field event. World Athletics is the official body which oversees the records. Hicham El Guerrouj is the current men's record holder with his time of 3:43.13, [1] while Faith Kipyegon has the women's record of 4:07.64. [2]

5. 5K challenge: How to walk or run 3 miles in just 6 weeks - AOL

   www.aol.com/november-5k-walking-challenge-walk...

   Week 6: 1-mile speed, 1-mile walk, 1.2-mile speed. ... Week 6: 1-mile jog, 1-mile run, ½-mile jog, .07-mile run. How to measure your distance. If you have a smart watch that you use to track ...

6. Knot (unit) - Wikipedia

   en.wikipedia.org/wiki/Knot_(unit)

   The length of the internationally agreed nautical mile is 1 852 m. The US adopted the international definition in 1954, having previously used the US nautical mile (1 853.248 m). [6] The UK adopted the international nautical mile definition in 1970, having previously used the UK Admiralty nautical mile (6 080 ft or 1 853.184 m).

7. Naismith's rule - Wikipedia

   en.wikipedia.org/wiki/Naismith's_rule

   So, for example, if a route is 20 kilometres (12 mi) with 1600 metres of climb (as is the case on leg 1 of the Bob Graham Round, Keswick to Threlkeld), the equivalent flat distance of this route is 20+(1.6×8)=32.8 kilometres (20.4 mi). Assuming an individual can maintain a speed on the flat of 5 km/h, the route will take 6 hours and 34 minutes.

8. Orders of magnitude (speed) - Wikipedia

   en.wikipedia.org/wiki/Orders_of_magnitude_(speed)

   Speed of International Space Station and typical speed of other satellites such as the Space Shuttle in low Earth orbit. 7,777: 28,000: 17,400: 2.594 × 10 −5: Speed of propagation of the explosion in a detonating cord. 10 4: 10,600 38,160 23,713.65 0.00004 Speed of propagation of the explosion of Octanitrocubane (ONC). 11,107: 39,985.2: ...

9. AOL Mail

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!