[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

https://heisme.skymoon.info/article/SuggInfo/1633  

아마 우리가 신의 담장을 넘을 때 까진 사막으로 떠 있는 현실의 오른 손엔 기진한 낙타가 매달려 있고 저 멀리 오리나무 숲속으로 신기루가 떠 있을 것이다 [하늘-데미안을 읽고서]