Gravitational forces are forces of attraction. It's like the Earth pulling on you and keeping you on the ground.
The answer to the question is:
75m/s
Just do 25*3
Explanation
(m) is measured in kilograms (kg)
<h2>(F) is measured in newtons (N)</h2>
<h3>acceleration (a) is measured in metres per second squared (m/s²)</h3>