With this information, you can calculate the quantity of meters per second 40 knots is equal to.
¿What is the inverse calculation between 1 meter per second and 40 knots?
Performing the inverse calculation of the relationship between units, we obtain that 1 meter per second is 0.048596112 times 40 knots.
Which is the same to say that 40 knots is 20.577778 meters per second.
Forty knots equals to twenty meters per second. *Approximation
A meter per second is zero times forty knots. *Approximation