Minecraft Bow Doing UNREAL Damage

I found a glitch that makes bows do more damage than they are supposed to =P
This can all be done in survival vanilla Minecraft.
Imagine using it in a PVP server or smth =D
It doesnt even have power 5 XDD
Music Used:
"Cut and Run" by Kevin MacLeod (incompetech.com)
Licence: CC BY (creativecommons.org/licenses/by/4.0/)

[@Willerhide]

ok you gotta explain

[@LouisLeXVIII]

I'm angry

[@hannes2927]

isnt that just a critcal hit?

[@Firestorm-qh8kc]

Not really =P