3600.
3 miles per hour is equal to 4.4 feet per second.
30 miles per hour = 13.4112 meters per second
63 miles per second = 365,000 kilometers per hour.
There are 3600 seconds in one hour. Therefore, 40 miles per hour is equal to 40/3600 = 0.01 recurring (that is, 0.011111..) miles per second.
About 91.1 feet per second.
350 mph = 0.098 miles per second.
Rounded to two decimal places, 90 metres per second is approximately equal to 201.32 miles per hour.
That would be equal to 110 feet per second.
400 miles per hour is equivalent to 586.67 feet per second. To convert miles per hour to feet per second, you can use the conversion factor that 1 mile is equal to 5280 feet and 1 hour is equal to 3600 seconds.
70 miles per second is 252,000 miles per hour.
One meter per second is equal to: 2.237 miles per hour.
52 miles per second = 187,200 miles per hour.