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A satellite orbits earth at a speed of 22100 feet per second (ft/s).  Use the following facts to convert this speed to miles per hour (mph).1 mile = 5280 ft1 min = 60 sec1 hour = 60 minRound your answer to the nearest whole number. Be sure not to round until you have completed all the calculations.Do not type the units in the space below.

Question

A satellite orbits earth at a speed of 22100 feet per second (ft/s).  Use the following facts to convert this speed to miles per hour (mph).1 mile = 5280 ft1 min = 60 sec1 hour = 60 minRound your answer to the nearest whole number. Be sure not to round until you have completed all the calculations.Do not type the units in the space below.

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Solution

First, convert the speed from feet per second to miles per second by dividing by the number of feet in a mile.

22100 ft/s ÷ 5280 ft/mile = 4.184 miles/s

Next, convert this speed from miles per second to miles per minute by multiplying by the number of seconds in a minute.

4.184 miles/s x 60 s/min = 251.06 miles/min

Finally, convert this speed from miles per minute to miles per hour by multiplying by the number of minutes in an hour.

251.06 miles/min x 60 min/hour = 15064 miles/hour

Rounding to the nearest whole number gives a speed of 15064 mph.

This problem has been solved

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