With this information, you can calculate the quantity of feet per second 389 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 389 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0015230946 times 389 knots.

Which is the same to say that 389 knots is 656.55803 feet per second.

Three hundred eighty-nine knots equals to six hundred fifty-six feet per second. *Approximation

A foot per second is zero times three hundred eighty-nine knots. *Approximation