TFOX , I agree with your opinion of Ted Nugent. However , the point I was trying to make to silentassassin was , he gains his kinetic energy by going with the speed , to make up for the low poundage he shoots. I believe he shoots carbon express , which is a lighter carbon arrow.
You also said "kinetic energy will always decrease when the arrow gets lighter" , that couldn't be further from the truth. Two key factors in kinetic energy are speed and momentum (weight).
I have messed around with so many different arrow combos , I could probably open up a used arrow shop. I have increased my kinetic energy several times by going with a lighter arrow and increasing my speed considerably. More often than not , I have switched from heavier alluminums to light carbons and the speed increase was enough to make the kinetic energy a wash.
And for the record , I'm not ready to jump on the wagon that says carbon penetrates better than alluminum , too many variables. Target testing with video cameras , measuring penetration into foam target , doesn't cut it for me , I need field test results (live game) and at this point , there is no hard evidence that even remotely suggests that carbon arrows penetrate game animals better than alluminum.

BTW Arthur , you would love the command cams , their great!