An astronaut is drifting away from his spaceship. how can he return, using an aerosol spray?

The astronaut should shoot the aerosol spray in the opposite direction of where the astronaut is going to return back to the spaceship. This is in accordance to Newton’s Thrid Law, every action has an equal and opposite reaction.

Hope this helps you out!

the diagram which shows forces as either balanced = same speed or unbalanced = accelerarting

do you have a formula possibly