Mechanics, SPEC2 2021 VCAA 14 MC

A body of mass 5 kg is acted on by a net force of magnitude newtons. This force causes the body to move so that its velocity,  , along a straight line of motion is given by  , where metres is the position of the body at time seconds.

When  is equal to

1. 10
2. 14
3. 35
4. 70
5. 175