well im going on a birthday hunt out iin colorado on august 28 and wen i shoot through paper it tails low but i cannot get the nock to move up its on too tight and my poundage is 55-57 draw length is 29 and its a fred bear element with a whisker bisuit and i shoot release i just wasnt to know how to get my arrows to shoot stright and as much possible force of impact that it can excertlike for elk should i use a heavy broadhead heavy arrows????