[Solved] Ubuntu, Virtualbox – How do I force a refresh rate value?

Eric Huelin Asks: Ubuntu, Virtualbox – How do I force a refresh rate value?
Previously, when I was using Lubuntu the refresh rate was set to 59.94Hz and everything playback wise was flawless. Considering that everything is identical, same Guest addition installed, same browser, same video, etc.

Now with Ubuntu, it is having problems with video playback synchronization, skipping frames at a regular interval causing a frame or two to freeze. I highly suspect it’s due to the refresh rate, if not, at least I can eliminate that as a possibility and try to tweak other settings.

With Ubuntu, how do I know my refresh rate and how do I change it?

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