A certain elevator cab has a total run of 208 m and a maximum speed is 314 m/min, and it accelerates from rest and then back to rest at 1.21 m/s2.

A certain elevator cab has a total run of 208 m and a maximum speed is 314 m/min, and it accelerates from rest and then back to rest at 1.21 m/s2. (a) How far does the cab move while accelerating to full speed from rest? (b) How long does it take to make the nonstop 208 m run, starting and ending at rest?