Which answer below is closest to the vertical impulse due to the gravitational force exerted on the kangaroo by Earth during the short time interval while it takes off?
(a)0
(b)+50N⋅s+50N⋅s
(c)+150N⋅s+150N⋅s
(d)−50N⋅s−50N⋅s
(e)−150N⋅s−150N⋅s