One day on a spacecraft corresponds to $2$ days on the earth. The speed of the spacecraft relative to the earth is

  • A

    $1.5 \times {10^8}m{s^{ - 1}}$

  • B

    $2.1 \times {10^8}m{s^{ - 1}}$

  • C

    $2.6 \times {10^8}m{s^{ - 1}}$

  • D

    $5.2 \times {10^8}m{s^{ - 1}}$

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