The box slides down the helical ramp such that r = 0.5 m, = (0.5t) rad, and z = (2-0.2t2) m, where t is

The box slides down the helical ramp such that r = 0.5 m, θ = (0.5t³) rad, and z = (2-0.2t2) m, where t is in seconds. Determine the magnitudes of the velocity and acceleration of the box at the instant θ = 27π rad.

(0.5 m