With this information, you can calculate the quantity of feet per second 11 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 11 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.053862164 times 11 knots.

Which is the same to say that 11 knots is 18.565908 feet per second.

Eleven knots equals to eighteen feet per second. *Approximation

A foot per second is zero times eleven knots. *Approximation