RE: why are people obsessed with the speed of target bows?
3D archery is a game of half inches, speed matters greatly as it pertains to arrow ballistics. The faster the arrow is the flatter the trajectory, thus making 2 or 3 yard errors in yardage judjement not as critical. Again, that half inch could mean winning and losing.
Now, for 5 spot like this and paper puching from known yardages, precisely the opposite is true. Speed matters not in the least, in fact, alot of guys shoot low poundage, heavy fat arrows to cut lines. You could shoot speed of 200 fps and it wouldn't matter in 5 spot...In fact, it would help as low speeds are more forgiving.