Which equation should you use to solve this problem? (Don't solve it, just pick the right equation.) A truck accelerates at 4.7 m/s² for 150 m, reaching a final velocity of 47 m/s. What was its initial velocity? A) Ax = (vf+vi)t B) Vf = V₁ + at C) v² = v² + 2ax D) Ax = vt - at²