Feet sec. or per minute? Need more info to answer.
Multiply by 88.
Miles per hour x 1.467 = feet per second.
Use the facts that there are 5,280 feet per mile and 3600 seconds per hour.
Use this formula: feet per second x 0.6818 = miles per hour:325 ft/sec x 0.6818 = about 221.6 miles per hour
(5 feet per second) x (1 mile per 5,280 feet) x (3,600 seconds per hour) = 3.41 miles per hour (rounded)
30,000 feet per hour = 5.68 miles per hour.
Miles per hour x 1.467 = feet per second.
feet per minute x 0.011363636 = miles per hour
To convert miles per hour to feet per second multiply by 5280 (feet in a mile) and then divide by 3600 (seconds in an hour).
Feet per second x 0.6818 = miles per hour.
Use this formula: miles per hour x 88 = feet per minute
5280 feet minute
Multiply by 88.
Miles per hour x 1.467 = feet per second.
5 ft/hour = 0.00095 mph
Use the facts that there are 5,280 feet per mile and 3600 seconds per hour.
Multiply mph by 1.466 to get feet per second.