Aspider bobbing up and down on its silk thread moves according to the position function
s(t) = a cos r
k
m
t
!
+ seq
representing the height of the spider, in centimeters, at a time t, in seconds. in this function,
seq, k, m and a are constant values.
(a) compute the vertical velocity v(t) of the spider.
(b) compute the vertical acceleration a(t) of the spider