With this information, you can calculate the quantity of feet per second 817 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 817 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.00072519437 times 817 knots.

Which is the same to say that 817 knots is 1378.9407 feet per second.

Eight hundred seventeen knots equals to one thousand three hundred seventy-eight feet per second. *Approximation

A foot per second is zero times eight hundred seventeen knots. *Approximation