With this information, you can calculate the quantity of feet per second 660 kilometers per hour is equal to.

¿What is the inverse calculation between 1 foot per second and 660 kilometers per hour?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0016625455 times 660 kilometers per hour.

Which is the same to say that 660 kilometers per hour is 601.48731 feet per second.

Six hundred sixty kilometers per hour equals to six hundred one feet per second. *Approximation

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