An object is in free fall. At one instant, it is traveling at 46 m/s. Exactly 3.7 s later, what is its speed? The acceleration of gravity is 9.8 m/s?

Answer in units of m/s.

An object is in free fall. At one instant, it is traveling at 46 m/s. Exactly 3.7 s later, what is its speed? The acceleration of gravity is 9.8 m/s?