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Use these numbers: 1 meter = 3.28084 feet 1 mile = 5,280 feet 1 hour = 3,600 seconds (100 m / 14.9 sec) x (3.28084 ft / m) x (1 mi / 5,280 ft) x (3,600 sec / hr) = (100 x 3.28084 x 3,600 m - ft - mi - sec) / (14.9 x 5,280 sec - m - ft - hr) = 1,181,102.4 / 78,672 = 15.013 mi/hr (rounded) Reality Check: This doesn't seem too spectacular. 15 mph is exactly 4 minutes per mile. You'd think that a decent runner could do better than that for a 100-m sprint.

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14y ago
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6mo ago

To convert meters per second to miles per hour, you need to multiply the speed in meters per second by 2.237. Therefore, if you run a 100-meter race in 14.9 seconds, you are going approximately 15.87 miles per hour.

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Q: If you run a 100 meter race in 14.9 seconds how fast are you going in miles per hour?
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