With this information, you can calculate the quantity of feet per second 687 miles per hour is equal to.

¿What is the inverse calculation between 1 foot per second and 687 miles per hour?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.00099245732 times 687 miles per hour.

Which is the same to say that 687 miles per hour is 1007.6 feet per second.

Six hundred eighty-seven miles per hour equals to one thousand seven feet per second. *Approximation

A foot per second is zero times six hundred eighty-seven miles per hour. *Approximation