120km per hour = 109.361 feet per second.
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176 feet per second. Multiply 1 mile in feet (5280 feet) by 120MPH (literally 120 miles per hour) = 633600 feet per hour Multiply to get how many seconds in an hour (60 minutes per hour X 60 seconds per minute) = 3600 633,600 feet divided by 3600 seconds = 176 feet per second
15 miles/hour (5280 feet/1 mile)(1 hour/3600 seconds) = 22 feet per second
Use the facts that there are 5,280 feet per mile and 3600 seconds per hour.
5.25 miles per hour.
200 mile per hour = 200 x 5280 feet per hour = 1,056,000 feet per 3600 seconds = 293.33 feet per second