Question

riley larue ran a 100 yard dash at a speed of 56.8 feet per second on Oct. 5, 2009. Convert his speed to miles per hour

Answer 1

56.8 feet per second = ? miles per hour

5280 feet = 1 mile
3600 sec = 1 hour

56.8/5280 = 0.01075 miles/second

(0.01075 miles/second)*(3600 seconds) = 38.72727 miles per hour