Design a double dwell cam with a rise of 50mm over 90o , dwell for 90o , and fall 50mm over 120o , and dwell the remainder of the time with cam angular velocity of 20 rad/s. a. (10) Use a 4-5-6-7 polynomial, show calculations b. (10) Plot position, velocity, acceleration, and jerk using MATLAB. (S,V,A,J : capital letters; units mm, mm/s, mm/s2 , mm/s3 ). Learn and use the command, subplot. Upload code. Print and submit figures. Label you plots