Spring Joint 2D Player swings very slow

Hello,

Here is a video with my Problem:

Here is a Video
https://vimeo.com/344614126

My character only swings when i hit A/D on my keyboard. When i don´t press any button he swings really slow.

I tried to increase the mass, gravity angular and linear drop but nothing solves the problem :confused:

Did you ever figure this out?

How about you? Did you ever figure it out?