I have a question...When you take times/measurements in lab, is the %difference supposed to be 40-50%? That seems like a lot to me! My lab partner took the measurements and I am suposed to do the calculations at home, but I am getting huge % difference for all but one of the 5 trials! We are using the acceleration theory equation versus the acceleration experiment. Can anyone help me with this so I don't totally mess up my lab because of my lab partner?