Train letu aerodynamic zinakataa kufika 200 KM/HR . According to Scientific Research of why the body should be streamline to archive speed and balance

Hakuna anachojua huyu hamna injinia anakuja na conclusion kwa kupiga ramli mwambie approve mathematically kama hiyo train haifiki hiyo speed.
Did you read the pdf and understand it. . You literally arguing non sense
 
Soma they all explain it . . 🚮🚮 napoteza mda tu . Akili huna ww
 
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