With this information, you can calculate the quantity of feet per second 121 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 121 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0048965603 times 121 knots.

Which is the same to say that 121 knots is 204.22499 feet per second.

One hundred twenty-one knots equals to two hundred four feet per second. *Approximation

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