Answer:
22 miles per hour
Explanation:
d = rt
100 = 3.1r
r= 32.26 ft/sec
(convert seconds to minutes)
x 60 seconds = 1935.48 feet per minute
(Convert minutes to hour)
X 60 = 116,129.02 feet per hour
/ 5280 = 21.99 miles per hour
Rounding up figures ~ 22mph