I hope you would add button to reset simulation rate to default. Currently there is 3 buttons (SIm rate, decrease and increase). I have decrease and increase sim rate binded to my joystick and fly with VR. Workaround I use currently is to set sim rate to lowest and then two notch up. I think lowest are 1/4 and 1/2, then default. I hope this would be easy to implement.
This is related to this