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**George,Y****Member**- Registered: 2006-03-12
- Posts: 1,333

https://www.youtube.com/watch?v=AnaASTBn_K4

So far the scientists have only discovered by preservation of motion,

as the motion wave transfers gradually from the root to the tip, the speed accelerates as the whip gets thinner.

However why the tip of the whip gets a sudden jump of speed as to break the sound, remains unsolved.

I believe it is a singular point problem?

Any mathematicians to theorize it?

**X'(y-Xβ)=0**

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