Well, it happens for 1 frame, no matter the time speed multiplier thingie. So, no , it could be just popping (pretty major popping). I thought it was was but I could be wrong :/
11 Jan 2016, 11:03
ok, the popping (now dosnt happen with a time scale of 0.05)
11 Jan 2016, 11:33
confirmed no bones flip
11 Jan 2016, 15:15
using old runtime sorry 😐 (not my fault)