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  2. Miles per hour - Wikipedia

    en.wikipedia.org/wiki/Miles_per_hour

    Miles per hour (mph, m.p.h., MPH, or mi/h) is a British imperial and United States customary unit of speed expressing the number of miles travelled in one hour. It is used in the United Kingdom , the United States , and a number of smaller countries, most of which are UK or US territories, or have close historical ties with the UK or US.

  3. Orders of magnitude (speed) - Wikipedia

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

    Typical speed of car (freeway); cheetah—fastest of all terrestrial animals; sailfish—fastest fish; speed of go-fast boat. 40: 140: 90: 1.3 × 10 −7: Typical peak speed of a local service train (or intercity on lower standard tracks). 40.05: 144.17: 89.59: 1.335 × 10 −7: Land speed record for a human powered vehicle. [14] 54: 195: 122 ...

  4. Fastest recorded tennis serves - Wikipedia

    en.wikipedia.org/wiki/Fastest_recorded_tennis_serves

    [1] [2] Similarly, John Isner once hit a serve recorded at 157.0 mph (253.0 km/h) in the first round of the 2016 Davis Cup. One of the next fastest recorded speeds for Isner is 144 mph and the fastest serve in most of his matches is between 137 and 142 mph. [ 3 ] The fastest recorded speed that is not an outlier is 149 mph by Ben Shelton.

  5. Family of man killed in high-speed crash wants teen driver's ...

    www.aol.com/family-man-killed-high-speed...

    Detroit — A teenager drove nearly 140 miles per hour just days before a high ... over 100 mph on a residential street where the speed limit was 25 mph. ... speeds over 100 mph, and 10% involved ...

  6. List of fastest production cars by acceleration - Wikipedia

    en.wikipedia.org/wiki/List_of_fastest_production...

    Many elements change how fast the car can accelerate to 60 mph. [ii] [iii] ... 10.3 s at 225.3 km/h (140 mph) ... (136.1 mph) [63] 10.5 ...

  7. Slow down! Michigan mom's texts to son may come back to ... - AOL

    www.aol.com/news/slow-down-michigan-moms-texts...

    In July and August 2023, he hit speeds of 127 mph, 143 mph, 102 mph, 150 mph and 155 mph – all on separate days. Photos of his speedometer tracking these speeds were found on his cellphone.

  8. Central Iowa car chase, with speeds up to 140 mph, ends in ...

    www.aol.com/central-iowa-car-chase-speeds...

    An Illinois man was arrested after a high-speed car chase in central Iowa that reached speeds up to 140 mph. Central Iowa car chase, with speeds up to 140 mph, ends in crash, arrest Skip to main ...

  9. Saffir–Simpson scale - Wikipedia

    en.wikipedia.org/wiki/Saffir–Simpson_scale

    So an intensity of 115 kn is rated Category 4, but the conversion to miles per hour (132.3 mph) would round down to 130 mph, making it appear to be a Category 3 storm. Likewise, an intensity of 135 kn (~155 mph, and thus Category 4) is 250.02 km/h, which, according to the definition used before the change would be Category 5.