With this information, you can calculate the quantity of feet per second 66 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 66 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0089770273 times 66 knots.

Which is the same to say that 66 knots is 111.39545 feet per second.

Sixty-six knots equals to one hundred eleven feet per second. *Approximation

A foot per second is zero times sixty-six knots. *Approximation