With this information, you can calculate the quantity of feet per second 690 kilometers per hour is equal to.
¿What is the inverse calculation between 1 foot per second and 690 kilometers per hour?
Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0015902609 times 690 kilometers per hour.
Which is the same to say that 690 kilometers per hour is 628.82765 feet per second.
Six hundred ninety kilometers per hour equals to six hundred twenty-eight feet per second. *Approximation
A foot per second is zero times six hundred ninety kilometers per hour. *Approximation
