With this information, you can calculate the quantity of meters per second 9 knots is equal to.
¿What is the inverse calculation between 1 meter per second and 9 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 meter per second is 0.21598272 times 9 knots.
Which is the same to say that 9 knots is 4.63 meters per second.
Nine knots equals to four meters per second. *Approximation
A meter per second is zero times nine knots. *Approximation