The velocity of sound is $v_s$ in air. If the density of air is increased to $4$ times, then the new velocity of sound will be
  • A$\frac{{{v_s}}}{2}$
  • B$\frac{{{v_s}}}{{12}}$
  • C$12{v_s}$
  • D$\frac{3}{2}v_s^2$
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