With this information, you can calculate the quantity of feet per second 609 kilometers per hour is equal to.

¿What is the inverse calculation between 1 foot per second and 609 kilometers per hour?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0018017734 times 609 kilometers per hour.

Which is the same to say that 609 kilometers per hour is 555.00875 feet per second.

Six hundred nine kilometers per hour equals to five hundred fifty-five feet per second. *Approximation

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