particle hair not doing dynamic, just being static when enabled dynamic.
Open, Needs TriagePublic


System Information
Operating system and graphics card
Windows 10 64bit, nividia 760, 16 gm ram. amd 8 core proceccor.

Blender Version
Broken: version 2.78 Hash: 827dc70f

Worked: the current version, 2.78c Hash: e92f235283

Short description of error
the dynamic of hair not worked when i played the timeline.

Exact steps for others to reproduce the error
partickle hair not simulating dynamic. i play the timeline, but the hair standing static. i enabled the dynamic,