How does the mass of the body increase with speed?

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$t h e r e l a t i o n b e t w e e n m a s s a n d s p e e d i s g i v e n b e l o w m = \frac{m_{0}}{\sqrt{1 - \frac{v^{2}}{c^{2}}}} {h e r e m_{0} i s r e s t m a s s a n d v i s s p e e d w h e r e a s c i s s p e e d o f l i g h t} A s v i n c r e a s e s \frac{v^{2}}{c^{2}} i s i n c r e a s e s a n d 1 - \frac{v^{2}}{c^{2}} i s d e c r e a s e s a n d t h e r e f o r e m a s s i n c r e a s e s \sin c e i t i s i n v e r s e l y p r o p o t i o n a l m α \frac{1}{\sqrt{1 - \frac{v^{2}}{c^{2}}}} R e g a r d s$

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