Bullet flight time conventions

[DouglasCole]

Originally Posted by Rupert

If 1/2D range is looked at as being when the projectile has slowed to the point where it does half the damage it does at the muzzle, then many of the ranges will be wrong. 1/2 damage implies 1/4 velocity, which can be a surprisingly long way.

Nitpick: Half velocity.

KE = 1/2 M V^2, and damage is based on the sqrt(KE). So damage is linear in velocity. (linear-ish)