Question 14 4 pts Let r(t) = ti + t?j+ 8tk The tangential component of acceleration is a. aT = 2t/Vt2 + 65 b. aT = 2t/v 412 +65 C. aT = 4t/V 412 + 65 d. aT = 2V/65 /v 4t2 + 65 e. aT= 4V/65 / v 4t2 + 65 O a O b OC O d Oe