There are 5280 feet in one mile. Therefore, 74 miles per hour is equal to 74 x 5280 = 390720 feet per hour.
There are 3600 seconds in one hour. Therefore, 390720 feet per hour is equal ot 390720/3600 = 108.53 recurring (that is, 108.53333...) feet per second.
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1 mile per hour = 22/15 = 1.4666... feet per second (rounded, repeating)The following are exact numbers:-- 15 miles per hour = 22 feet per second-- 30 miles per hour = 44 feet per second-- 60 miles per hour = 88 feet per second-- 90 miles per hour = 132 feet per second-- 120 miles per hour = 176 feet per second
75 miles per hour = 110 feet per second
15.0 feet per second is equivalent to: 10.23 miles per hour.
10 miles per hour = 142/3 feet per second
6 feet per second is: 6 / 5280 = 0.0011363636 miles per second. So for miles per hour, multiply by 3600. This gives 4.1 miles per hour.