With this information, you can calculate the quantity of feet per second 809 kilometers per hour is equal to.

¿What is the inverse calculation between 1 foot per second and 809 kilometers per hour?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0013563412 times 809 kilometers per hour.

Which is the same to say that 809 kilometers per hour is 737.27763 feet per second.

Eight hundred nine kilometers per hour equals to seven hundred thirty-seven feet per second. *Approximation

A foot per second is zero times eight hundred nine kilometers per hour. *Approximation