Object wrong size in asset flow

I have a video within an asset flow. The asset flow is set to the size of my proect canvas and I need the videos within it to fill that area, but it wont let me scale the video up larger than what you see here. Any idea why?

Hello! Would you mind opening a Support Ticket and sharing your Experience with Support Team? It would make things easier if I could take a look at your Experience and see what you’ve built.