The path r t t i 21 1 j describes motion on the parabola y 2x 1 Find the particle s velocity and acceleration vectors at t 3 and sketch them as vectors on the curve The velocity vector at t 3 is v 3 1 12 J Simplify your answer including any radicals Use integers or fractions for any numbers in the expression The acceleration vector at t 3 is a 3 0 i 4 j Simplify your answer including any radicals Use integers or fractions for any numbers in the expression Choose the correct sketch for the particle s velocity and acceleration at t 3 O A OB 2 Q O C