For the last day or so when I accelerate from a stop, the engine revs but the car doesn't really move, atleast not like it should. It's usually after a cold start but I have been trying not to drive like this until I know whats wrong. I had been putting off replacing my rotors so I figured today I would do it and look around a bit.

When I did the passenger side I noticed grease under the inner cv boot. I couldn't find any cracks/tears in it but regardless that is my suspicion.

I've had the outter cv joint break on previous cars and it made a very distinct popping noise which I am not hearing now. So I guess I'm asking, would an inner cv joint failing cause this sluggish accelleration/engine rev? Or maybe my transmission is slipping? Any help would be greatly appreciated.

02 grandprix 3.8L with about 85k miles if thats helpful.