(I forgot to the post button on this earlier)
additional info: the video file was recorded at 120 fps ( i think, iphone 5s slow-mo) the Composition was 99 fps and the video file was at something else….so i changed the video file to ‘interpret’ as 99 fps to match the comp but then the render was off in a different way.
finally i changed the comp to 60 fps because it wouldn’t let me choose 120…and i changed the video file to 60 fps…and now it rendered correctly.
I still don’t understand why it looked perfect in the preview and not in the render. Why wouldnt it just render it exactly as the RAM preview shows it?