You divide 120... the number of feet in 40 yards... by the number of seconds taken to run that distance. Don't they teach basic dimensional analysis anymore?
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Running a 40-yard dash in 4.2 seconds equates to a pace of 19.48 miles per hour.
3.5735
-6 ft/sec2
Yea kinda Im a junior in High school I play Center and I run a 5 flat
To find the number of feet in 40 yards is there are 3 feet in 1 yard, so you multiply yards (40) by 3 to get feet. So, 40 x 3 = 12 feet