Immortals Fenyx Rising wierd slow motion

I´ve installed Immortals Fenyx rising using the Ubisoft-Connect installer:

No big deal.

Recently i noticed, that the game appears to be slower than it should. Meaning I have a slow motion “effect” in Game. My charackters movement and all the environment is slower than it should.

Did somebody faced the same problem and has solved it?

I´ve found some Reddit posts telling that they have had the same wierd issues:

But this hints did not help.