What is 3.7ms2?

Answer 1

3.7 m/s/s or m/s^2

Approximately the force of gravity on the surface of mars.

On earth it is about 9.8 m/s/s.

Answer 2

3.7 ms^2 represents acceleration, specifically an acceleration of 3.7 meters per second squared. This means that the velocity of an object is increasing by 3.7 meters per second for every second that passes.