With this information, you can calculate the quantity of feet per second 381 kilometers per hour is equal to.

¿What is the inverse calculation between 1 foot per second and 381 kilometers per hour?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.00288 times 381 kilometers per hour.

Which is the same to say that 381 kilometers per hour is 347.22222 feet per second.

Three hundred eighty-one kilometers per hour equals to three hundred forty-seven feet per second. *Approximation

A foot per second is zero times three hundred eighty-one kilometers per hour. *Approximation