With this information, you can calculate the quantity of feet per second 840 kilometers per hour is equal to.
¿What is the inverse calculation between 1 foot per second and 840 kilometers per hour?
Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0013062857 times 840 kilometers per hour.
Which is the same to say that 840 kilometers per hour is 765.52931 feet per second.
Eight hundred forty kilometers per hour equals to seven hundred sixty-five feet per second. *Approximation
A foot per second is zero times eight hundred forty kilometers per hour. *Approximation
