Velocity stuck under 1 unless jumping

It’s like this, but now i found a separate vector component. Strange.
I conected the other one and it works properly, although some issues still remain…Desktop 2018 08 28 15 22 22 05 - YouTube
I’m really confused about this, but thanks for helping!

Extra Context Clip: Desktop 2018 08 28 15 20 23 04 - YouTube