The path r(t) = (t)i + (+²+6) j describes motion on the parabola y=x² +6. Find the particle's velocity and acceleration vectors at t= and sketch them as vectors on the curve. The velocity vector at t= -3 is v(-3)= | (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)=( İ+ (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. OC. V

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