A particle moves along the x-axis such that at any time t > 0 its position is x(t), its velocity is v(t), and its acceleration is a(t). You are given: a(1) = 3 and v(1) = 5 Which of the following expression gives the velocity of the particle when t = 9? %3D O 1+ a(t)dt O 1+ a(t)dt O 5+ a(t)dt O 5+ a(t)dt

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