When I export my video the video is faster than the audio - help!

[Claire5C13]

I'm working on a video and when I export it, the video is sped up but the audio plays at normal speed. I haven't chenged my export settings (format: h.264, preset: YouTube 1080p Full HD) so I'm not sure why this is happening. I wonder if it might be down the fps as the source fps is 8fps and the output is 10fps, but I don't seem to be able to change the output fps to match the source. Screengrab of export settings below. Any advice gratefully received! Thanks

[Joëlle Bh]

Hello,
Can you please check  if your rushes have variable frame rate or constant.

Use this program to check 

https://mediaarea.net/en/MediaInfo/Download

If that's the case(variable frame rate) you need to convert the footage to  constant frame rate using something like

handbrake

https://handbrake.fr