That's not quite right. While air molecules do interact with moving objects, they don't actually *speed up* the movement of those objects. Instead, they slow them down due to a force called air resistance.

Here's how it works:

* Friction: Air molecules collide with the surface of a moving object. These collisions create friction, a force that opposes the object's motion.

* Drag: The total force of air resistance is called drag. The faster the object moves, the more air molecules it collides with, and the greater the drag force becomes.

* Slowing down: This drag force acts opposite to the direction of the object's motion, effectively slowing it down.

Examples:

* A ball thrown in the air: The ball slows down and eventually falls back to the ground due to air resistance.

* A car driving: The car encounters air resistance, which is why it requires more energy to accelerate at higher speeds.

* A parachute: The parachute's large surface area creates significant drag, slowing the descent of a skydiver.

Therefore, air molecules generally slow down moving objects, rather than speeding them up.