Sorry i schould read more precission

my last two Ytube I showing Symetry and Asymetry sytuation

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very easy and good know rules for sportsman
( 100 m run - sprint )

...person 1 --->
person 2--->

Person 2 need use much more energy for the same resoults

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ORAC please speak only about Ytube
pause and told me here is problem

YOu will understand all

EN
http://youtu.be/LZwQC26nrG8

PL
http://youtu.be/RGAlAyVm5sA

Thank You for try understand next step I don't know ?