A particle is released from a height $H$. At a certain height its kinetic energy is two times its potential energy. Height and speed of particle at that instant are

  • A

    $\frac{H}{3},\sqrt {\frac{{2gH}}{3}} $

  • B

    $\frac{H}{3},2\sqrt {\frac{{gH}}{3}} $

  • C

    $\frac{{2H}}{3},\sqrt {\frac{{2gH}}{3}} $

  • D

    $\frac{H}{3},\sqrt {2gH} $

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