Allows to choose the speed of the simulation

[ShuffleWire]

Is your feature request related to a problem? Please describe.
When debugging my controller, I would like read a lot a log information. However even in real time their is a lot of stuff. But the step-by-step is not very handy...
Additionally, I could was to run faster than real time, but not scary fast (for instance something like 2 or 3 times faster only).

Describe the solution you'd like
I would to get something like a slider, or a field to write the desired speed.