The Monkey and Hunter

A monkey is stealing apples from the hunter's tree.
The hunter decides to scare the monkey away with his son's toy gun, but the monkey is clever and lets go of the branch as soon as the hunter presses the fire button.

In order to hit the monkey where should the hunter aim?

Use the slider to change the aim of the gun before firing and find out for yourself here.

The physics in this is that all things fall at the same rate.