$A$ particle moves along the $x$-axis as $x = 4(t-2) + a(t-2)^2$. Which of the following statements is true?

  • A
    The initial velocity of the particle is $4$.
  • B
    The acceleration of the particle is $2a$.
  • C
    The particle is at the origin at $t=0$.
  • D
    None of the above.

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