The displacement (in centimeters) of a particle moving back and forth along a straight line is given by the equation of motion

s = 3 sin(πt) + 5 cos(πt),
where t is measured in seconds. (Round your answers to two decimal places.)
(a) Find the average velocity during each time period.
(i) [1, 2]

(ii) [1, 1.1]

(iii) [1, 1.01]



(iv) [1, 1.001]