With this information, you can calculate the quantity of feet per minute 640 kilometers per hour is equal to.

¿What is the inverse calculation between 1 foot per minute and 640 kilometers per hour?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per minute is 2.8575e-05 times 640 kilometers per hour.

Which is the same to say that 640 kilometers per hour is 34995.626 feet per minute.

Six hundred forty kilometers per hour equals to thirty-four thousand nine hundred ninety-five feet per minute. *Approximation

A foot per minute is two times six hundred forty kilometers per hour. *Approximation