Playback: video podcast at > 2x speed in full screen on iPad makes the next video ep starts with no sound

in iPad when playing a Video podcast @ >2x speed in Full Screen Mode, the next video ep starts with no sound.

Steps below:

1. Add few video episodes in the queue
2. Start playing a Video Podcast @2x speed (tested with TED Talks Daily Video)
3. Switched to full screen (as the problem is only happening with >2x and with fullscreen)
4. Jumped to the end of the episode while playing
5. Let it play the next episode (it will have NO Sound)
6. Press pause icon and it will directly switched on the volume and not pause the podcast

#4632548-zen

Reproduce the issue on an iPad using the listed queue, playback-speed, fullscreen, and episode-transition steps. Start by tracing the fullscreen video playback transition and audio state when the next episode begins; done means the next episode has sound and the pause control pauses playback normally.

Written by the indexing model from the issue text.