swing

I've been trying to improve my forehand (and get some power in my shots) but I'm having a very hard time. I would appreciate any tips/suggestions what I'm doing wrong and how to add more power. I'm using Babolat Pure Aero VS 2020 (1/4 grip) with NXT strings at 55lbs.

Take two sticks with almost exact specs saving for: -Head size: 95 vs 97 -Beam width: 20,5 vs 21,5 mm oh... and string pattern: -18x20 (on 95) vs 16x19 (on 97) Yet when playing, the thinner n smaller (by ever so small a margin) swings so much easier and faster then the other... I would...