I have a Bowtech Captain. Set at 67lbs 29 inch draw and shooting 440 grain Arrows with a Wisker Bisket at 265 FPS. Everything I read says that I should be shooting closer to 290 FPS with this Bow and set up. The 265 is good but just want less drop in the arrow. Was looking for any advice on what I could tweak or check that might be causing the slower speed.