With this information, you can calculate the quantity of feet per second 85 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 85 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0069703977 times 85 knots.

Which is the same to say that 85 knots is 143.46384 feet per second.

Eighty-five knots equals to one hundred forty-three feet per second. *Approximation

A foot per second is zero times eighty-five knots. *Approximation