[물리] Which is faster * Brachistochrone Curve

[물리] Which is faster * Brachistochrone Curve
C4D4U

Which is faster?  First write in the comments and then start the video.
For me the topic brachistochrone is still very new. But I am fascinated by what is behind it. If you haven't heard of it yet, you should take a closer look.
https://de.wikipedia.org/wiki/Brachis...
https://google.com/search?q=brachisto...

https://youtu.be/TIopneBToLQ