Question 838583
A police officer notes that a car traveled 200 feet in 2.2 seconds.
 What was the speed of the car in miles to hour? 
:
Find the ft per sec
{{{200/2.2}}} = 90.91 ft/sec
Convert to mph (3600 sec in 1 hr, 5280 ft in 1 mi))
{{{((3600*90.91))/5280}}} = 62.0 mph