I have this one problem. My shots are traveling too slow, especially my shots that require more strength, such as clears and smash. My clears goes the distance from baseline to baseline, but the clear goes too slow. This gives my opponent the opportunity to move back and get behind the bird. Any tips? I am currently playing for a highschool team and some would say I am a N/D level player. My racquet is the NS8000, so it is definitely not the equipment. BTW, I am 5'7" with a medium size body frame.