In 2009, usain bolt of jamaica set a world record of 9.58s in the 100m dash. what was his average speed?

To find Usain Bolt's average speed in the 100m dash, we divide the distance (100m) by the time (9.58s):

Average speed = Distance / Time
Average speed = 100m / 9.58s
Average speed ≈ 10.44 m/s

Therefore, Usain Bolt's average speed during his world record run was approximately 10.44 meters per second.