I need help with these problems please, and please answer all parts of the problems. Also, please make it legible.

Find the velocity and acceleration vectors in terms of u, and up. r = 4 e a0 de and = 3 dt VE up +Find the velocity and acceleration vectors in terms of u, and up. r= a(2 + cos t) and 0 = 2 - e -t , where a is a constant V = u ue