How could I run a Rigid Body simulation backwards after it is baked? How could I take a Rigid Body simulation (it doesn't matter if it is already baked or not) and reverse it before rendering.
I do not mean reversing the clip after it is rendered (mentioned here).
I want accurate motion blur, because I am running another physics simulation at the same time that I want running &quot;forward&quot;.
Option 1
For Rigid Body sim you can try  ... Bake simulation and with object selected search for Bake Action &gt; enable Visual Keying ... it converts cache into keyframed animation.


Now if yo go to Graph editor and move timeline into a middle frame of your anim, you can Mirror curves Ctrl+M Over Current Frame ... results as reverted animation.


Option 2
Another option can be Export as Alembic (.abc) and Import back ... under Constraints Properties you can animate Override frame value backwards - at frame 1 set value of end frame and on last frame keyframe value of 1 ...

Mentioned here