With this information, you can calculate the quantity of feet per second 424 kilometers per hour is equal to.

¿What is the inverse calculation between 1 foot per second and 424 kilometers per hour?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0025879245 times 424 kilometers per hour.

Which is the same to say that 424 kilometers per hour is 386.41003 feet per second.

Four hundred twenty-four kilometers per hour equals to three hundred eighty-six feet per second. *Approximation

A foot per second is zero times four hundred twenty-four kilometers per hour. *Approximation