So then in your scenario the draw length has nothing to do with it. Her 25 inch draw bow set at 40 lbs will accelerate the object exactly the same as a 31 inch draw bow will that is also set at 40 lbs. Hmmmm that's an interesting theory you have there
You are confusing acceleration and velocity and what I said is not my theory it is Newtons 2nd law of motion.
Yes I did but then all 40lb draw bows don't put off the same amount of energy do they? Doesn't cam design and draw legth play major roles in determining the amount of energy produced? Couldn't two 40lb pull bows produce considerably different amounts of energy?
Of course but this doesn't have anything to do with what we have been discussing. We have been talking about heavier arrows being shot from the same bow all things being equal are more efficient and carry more KE. And the answer is...
KE = m/2 x (SE / (m + mv))**1/2
Not my opinion just get a book and learn it for yourself. It's clear that I won't be getting through to you.