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The average speed of the world record in the 100m dash is around 37.58 km/h (23.35 mph).
Based on combine results from 2000-2017, the average speed of a Strong Safety in the 40 yard dash is 4.55 seconds.
5.2 4o yard dash
4.40 TO 4.50
A 10.49-second 100-meter dash equates to an average speed of 21.32 miles per hour.
This means an average speed of 22.87 miles per hour over the distance of the race.
~10.2 meters per second.
The light speed dash in not in sonic colors
The "average" walking speed of man is 1 to three miles per hour. In a hundred yard dash, man can do 18 miles per hour.
Humans can run 9m/s in a dash and 6 m/s in a marathon and 3 m/s jogging.
My daughter ran a 5.7 40. She'll be 15 in October.
I ran a 5.5 with full pads on but my team ran like a 6 or 6.2