One mile is 5280 feet so 310 mph is 1,636, 800 feet per hour Now to find feet per second note that feet/hours x hours/second=feet/second. This tells us we must divide by the number of seconds in an hour which is 3600 so 454 and 2/3 feet per second. If you prefer to do it all at once, here is how that works. (310 miles/hour)(5280 feet/mile)(1 hour/3600 seconds)=454 and 2/3 feet per second.
6.1 mph = 8.95 feet / second.
At 1000 mph, there are approximately 1467 feet per second.
40 mph = about 58.6 feet per second.
15 mph = 22 feet per second
350 feet per second = 238.64 mph
55 mph = 80.6666 feet per second
69 mph is 101.2 feet per second.
2,200 feet per second is 1,500 mph
132 feet per second at 90 mph.
125 mph = 183.33 feet per second.
1.46 feet per second at 1 mph.
To convert mph to feet per second, you can use the conversion factor of 1 mph = 1.46667 feet per second. Therefore, 74.0625 mph is equivalent to about 108.67917 feet per second.