Using Beta Dev.0.77.109525
Youtube video showcasing the bug:
https://www.youtube.com/watch?v=nA7l0TY86h8
Time acceleration is enabled and disabled 2 times in the video
BIS Forums:
http://forums.bistudio.com/showthread.php?162482-Greyhawk-wobbling-when-time-accelerated-and-below-60-FPS
PC specs:
http://www.overclock.net/lists/display/view/id/4203491