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More simply, the speed of sound is how fast vibrations travel. At 20 °C (68 °F), the speed of sound in air, is about 343 m/s (1,125 ft/s; 1,235 km/h; 767 mph; 667 kn), or 1 km in 2.91 s or one mile in 4.69 s. It depends strongly on temperature as well as the medium through which a sound wave is propagating.
The InterCity 225 was designed to achieve a peak service speed of 140 mph (225 km/h); during a test run in 1989 on Stoke Bank between Peterborough and Grantham, an InterCity 225 was recorded at a speed of 162 mph (260.7 km/h). [9]
Minimum Weight: 310 lbs. Top speed: 140+ MPH; 0–60 mph: Under 4 seconds; Tires: Dunlop, 19-inch, purpose-built flat track tires; Fuel: VP Racing Fuels C10 Unleaded; Eligible engines: Only 4-stroke twin-cylinder mass-production engines with prior, written approval by AMA Pro Racing are eligible for competition in AFT Production Twins.
Estimated top speed of the Juno spacecraft (mass ~3600 kg) relative to Earth before insertion into Jupiter's orbit — second fastest human-made technical object. [27] 10 5: 100,000: 360,000: 224,000 0.0003: Dust particles in dust accelerators can exceed this speed. [28] 140,000: 540,000: 313,170 0.00047: Approaching velocity of Messier 98 to ...
Lancia claimed the car could reach a top speed of 225 km/h (140 mph) and accelerate from standstill to 100 km/h (62 mph) in 6.0 seconds. In contrast to its bare bones racing sister, the S4 Stradale featured an Alcantara -upholstered interior, sound deadening, a suede steering wheel , and was equipped with power steering , trip computer and air ...
The teen's mother used an app to track her son's car and was aware that he frequently drove over 100 mph, according to police records. ... nearly 140 miles per hour just days before a high ...
The picture showed a car in the foreground, a collision warning light on his dashboard and a speed of 141 mph (227 kph). An instant later, he slammed into the car in the photo. The driver ...
It accelerated from 0 to 62 mph (100 km/h) in 8.2 seconds, and had a maximum speed of 140 mph (230 km/h). The higher range models, (i.e. the Zetec S, Ghia X and Titanium X), now had two V6 engines available; one being the existing Duratec 25 carried over from the previous model, and one being a Duratec 30; a quieter, smoother variant of the ...