With this information, you can calculate the quantity of knots 521 feet per minute is equal to.
¿What is the inverse calculation between 1 knot and 521 feet per minute?
Performing the inverse calculation of the relationship between units, we obtain that 1 knot is 0.1943735 times 521 feet per minute.
Which is the same to say that 521 feet per minute is 5.1447343 knots.
Five hundred twenty-one feet per minute equals to five knots. *Approximation
A knot is zero times five hundred twenty-one feet per minute. *Approximation