Is there a way to scale a video over time with ffmpeg ?
This is the result that I want:

[![video result](https://i.stack.imgur.com/yKAVT.gif)](https://i.stack.imgur.com/yKAVT.gif)

I have been looking through the documentation and you can change the scale but no over time. Am I missing something ?.
There is another "automatic" tool to do this, because I need to do this on a server?