Just amazing, wonderfull world record. Usain Bolt ran 100 meters in 9.58 seconds. See it on video.
Usain Bolt speed in this amazing race was :10.4384 m/s (click on the link to get speed conversion to other units: mph,km/h,yd/s,…)
Other info:
Usain Bolt 9.58s, Usain Bolt mph
Tags: speed, sport, usain bolt