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About 25.5mph assuming my math is correct: 5280ft/330=16 16x9.68=2min35sec 60mph/2.6min=25.5mph

The above answer is incorrect. This would be true if it was a constant velocity, but because the runners are starting from a stop you need to factor in acceleration. But again we run into a problem because the acceleration is not constant so calculating the final velocity would be a bit tricky. A time of 9.68 the runner would probably be going close to 30mph.

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15y ago
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15y ago

23.085 mph

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9.69 secs for 100 meter sprint. That is 96.9 seconds for 1 kilometer; 3600 seconds in an hour, so 3600/96.9 = 37.15 km/hr.

37.15 kilometers per hour (km/hr) x 0.621 = 23.0702 miles per hour (mph).

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15y ago

Converting 100 meters into yards... 100 meters = 109 yards Usain Bolt ran "109 yards" in 9.69 seconds... 109 / 9.69 = 11.2 yards per second The "mythical" 40-yard dash time... 40 / 11.2 = 3.63 seconds!!!!! Simply astonishing!

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14y ago

22.68 mph

You transfer meters to yards. 100 meters = 108.3333 yards...then feet. 108.333*3 = 325
So you travel 325 feet in 100 meters, which is 6.155% of a mile.


Then you turn the seconds into hours. 3600 seconds in an hour, divided by 9.77= .2714% of an hour.


Now you have it in correct units, so you put it in miles per hour. So 6.155/.2714 = 22.68 mph

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11y ago

100 meters in 9.7 seconds equates to a pace of 23.06 miles per hour.

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14y ago

23.5 MPH or 37.6 kph If your asking how fast Usain Bolt was going, he was going 27.3 MPH because he had to excellerate from 0 to 27.3 MPH. 23.5 is is average speed.

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11y ago

Your average speed for the race is 20.87 miles per hour.

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14y ago

About 24 miles per hour.

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Q: You run a 100-yd dash in 9.8 seconds what is your speed in miles per hour?
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