100 meters in 10.2 seconds equates to 21.93 miles per hour.
100 meters in 12 seconds is 18.64 miles per hour.
100 meters in 11.8 seconds = 18.96 miles per hour.
100 meters in 9.69 seconds is 23.3 miles per hour.
100 meters in 9.2 seconds is 24.3 miles per hour.
100 meters per 4.69 seconds equates to 47.7 miles per hour.
36.466 miles per hour
About 22.9 miles per hour.
23.35 miles per hour
about 36.5 miles per hour
Traveling 100 meters in 80 seconds equates to an average speed of 2.79 miles per hour.
100 meters/14.00 seconds (1 mile/1609 meters)(3600 seconds/1 hour) = 15.982 miles per hour
100 meters/9 seconds = 40 kilometers per hour = 24.85 miles per hour (rounded)