Answer:
742.57 m/s
Explanation:
Given:
Distance travels by a rocket = 9000 metres
Time taken by rocket = 12.12 seconds
Questioned asked:
Speed of rocket = ?
Solution:
By applying formula, speed = distance traveled divided by time taken

Therefore, the speed of a rocket that travels 9000 meters in 12.12 seconds is 742.57 meters per seconds.
The answer is C hope it helps
When the forces acting on a body are balanced, their effect
\on the body's motion is the same as if no forces at all are
acting on it, and its velocity can't change. It continues moving
in a straight line at constant speed (which may be zero).
Air Pressure is a force that is exerted onto your body by air molecules.