I think 5-10 seconds is probably about right. Maybe they are random moments when minted, but once you own one you can buy the adjacent clips (to "extend" your footage)?
My favorite NFT project right now is @blockheadsfam, because they're more than just owning a JPG
If you have two or more you can swap parts around and make you own lil guy, like this one I made
Both the stream server and Tripbot's server are having issues with the heat... please let me know if you see dropped frames or other performance issues!