With this information, you can calculate the quantity of feet per second 809 knots is equal to.
¿What is the inverse calculation between 1 foot per second and 809 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.00073236564 times 809 knots.
Which is the same to say that 809 knots is 1365.4382 feet per second.
Eight hundred nine knots equals to one thousand three hundred sixty-five feet per second. *Approximation
A foot per second is zero times eight hundred nine knots. *Approximation