There are 3600 seconds in one hour. Therefore, 32 feet per second is equal to 32 x 3600 = 115200 feet per hour.
There are 5280 feet in one mile. Therefore, 115200 feet per hour is equal to 115200/5280 = 21.81 recurring (that is, 21.818181...) miles per hour.
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250 feet per second = 170.45 mph
300 feet per second = 204.54 mph
It is 2,727 MPH. And that's fast.
340 feet/second equals 1,224,000 feet per hour or about 232 mph (231.8182).From the calculation (340 x 3600)/5280 feet per mile
60 mph = 88 feet per second 70 mph/60 mph x 88 = 102.6 feet per second or multiply mph x about 1.46