Nexus 6p video Upside down and Audio doesn't sync

I shot a bunch of video with my Nexus 6p, I'm not a pro by ANY stretch of the imagination. 

I shot the my video using the standard camera app on the Ultra 4k settings.

I set up a new project project with Full HD 30fps 48000hz and imported the video. Every clip will play fine on YouTube, or any PC player. However with HitFilm it is upside down, and after 30 seconds the Audio and Video loose sync.

HitFilm 3 Express, and my pc detects 29 frames per second (not 29.97 or 30 as it should be) 

Thanks!

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