RE: KE question...
I looked up your arrow shafts to find their weight they are 8.4 grains per inch. Your insert comes in around 21 grains and an average nock about 15 grains and average 4 inch fletching 10 grains each so....
222.6 grain arrow + 21 grain insert + 15 grain nock + 30 grain fletching + 100 grain broadhead = 388.6
This puts you at 72 ft pounds of KE.