FPS stands for feet per second.
MPH stands for miles per hour.
So there is two conversions that has to be done. First we must convert feet to miles. Then we need to convert second to hour.
1 mile contains 5280 feet. So dividing 400 feet by 5280 feet gives you 0.0757576 miles. 400 feet = 0.0757576 miles.
That's how far BB's travel per second. Now we need to convert it to an hour. There are 60 seconds in 1 minute and 60 minutes in an hour. So to convert second to hour, we multiple 60 by 60 to get 3600 seconds in 1 hour.
0.0757576 miles / second * 3600 seconds = 272.727272727 MPH
Tue, 09 Sep 2014 22:04:35 +0400
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