With this information, you can calculate the quantity of feet per second 515 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 515 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.001150454 times 515 knots.

Which is the same to say that 515 knots is 869.22208 feet per second.

Five hundred fifteen knots equals to eight hundred sixty-nine feet per second. *Approximation

A foot per second is zero times five hundred fifteen knots. *Approximation