Originally Posted by
drockw
It is PHYSICALLY IMPOSSIBLE for her 20 and 40 pin to impact in the same spot no matter how fast the bow is.
That's not entirely true. Plus it's not accurate as to what was said by the OP.
And the OP was slightly misleading in his post. You should watch the video (good looking girl!!! healthy, too

)
She shoots at an elk 3D target with a Monster and a HHA-type slider, single pin. "Mistakenly set at 20 yards and the elk is at 40". An elk's vitals are what, maybe 6" top to bottom? More if you add in the lungs? There's no mention of arrow weight, etc. but the arrow hits 3" or so below where she aimed. That's pretty reasonable for a speed bow.