With this information, you can calculate the quantity of feet per second 84 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 84 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0070533786 times 84 knots.

Which is the same to say that 84 knots is 141.77603 feet per second.

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

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