Given N₂ = 30, N3 = 25, N4 =45, N5 = 40, N6 = 200 \omega_{2}=240 \mathrm{rpm} \mathrm{ccw}, \omega_{\mathrm{arm}}=120 \mathrm{rpm} \mathrm{cW}, \mathrm{T}_{2}=12 \mathrm{ft}-\mathrm{lb} a. Identify the gear sets. b. Determine the velocity gear train ratio and the angular velocity of gear 6. c. Determine the torque gear train ratio and output torque of gear 6.