With this information, you can calculate the quantity of feet per second 620 miles per hour is equal to.

¿What is the inverse calculation between 1 foot per second and 620 miles per hour?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0010997067 times 620 miles per hour.

Which is the same to say that 620 miles per hour is 909.33333 feet per second.

Six hundred twenty miles per hour equals to nine hundred nine feet per second. *Approximation

A foot per second is zero times six hundred twenty miles per hour. *Approximation