With this information, you can calculate the quantity of feet per second 321 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 321 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0018457439 times 321 knots.

Which is the same to say that 321 knots is 541.78696 feet per second.

Three hundred twenty-one knots equals to five hundred forty-one feet per second. *Approximation

A foot per second is zero times three hundred twenty-one knots. *Approximation