With this information, you can calculate the quantity of miles per hour 688 feet per minute is equal to.

¿What is the inverse calculation between 1 mile per hour and 688 feet per minute?

Performing the inverse calculation of the relationship between units, we obtain that 1 mile per hour is 0.12790698 times 688 feet per minute.

Which is the same to say that 688 feet per minute is 7.8181818 miles per hour.

Six hundred eighty-eight feet per minute equals to seven miles per hour. *Approximation

A mile per hour is zero times six hundred eighty-eight feet per minute. *Approximation