Connie had a bad night at her bowling league. When she gets home, she drops her bowling ball in disqust out the upstair window from a height of 3.65 m above the ground. Her husband saw the bowling ball from the downstair window when it was 1.7 m above the ground. How much time passes from the time when her husband sees Connie's bowling ball out his window to when it hits the ground?
a
.86 s
b
2.17 s
c
.59 s
d
4.73 s