8. Rob Colley set a record in "pole-sitting" when he spent 42 days in a barrel at the top of a flagpole
with a height of 43 m. Suppose
a friend wanting to deliver an ice-cream sandwich to
Colley throws the ice cream Straight up with just enough speed
to reach the barrel. How long
does it take the ice-cream sandwich to reach the barrel?
that the jump is