Jumping into wall adds excessive speed

[kablouser]

Short description
A clear and concise description of what the bug is.
When jumping at certain walls, the movement speed suddenly increases.

Expected behaviour
Jumping at walls shouldn't speed you up.

To Reproduce
Steps to reproduce the behavior:

1. Open scene Scenes/WIP/TestingGround_Small
2. Go to the largest wall/ramp thing
3. Hold the forward button [W]
4. Jump at its vertical face with a slight diagonal movement
5. Speed off into the distance

speedhack.mp4

Notes
This issue only happens in 1 direction along the wall. If you're trying to recreate this issue notice the directions I'm moving in the video.