Why do people do such silly things? Part of working assignments is to grow an intuition, and no kangaroo jumps hundreds of meters. Such crap just reinforces the notion that what you do in school is completely meaningless and divorced from reality.
or some problems with time dilation.
BUT don't call it "kangaroo jumps 50000 km and we need it cause reality says so"
A metal ball travelling 1m at 3 m/s and I’m pretty confident I can get a good approximation using the basic Newtonian equations.
An irregular shaped object like a Kangaroo travelling 50.000 km at presumably many hundred of meters of per second and I need to think about a lot more! Not least that this kangaroo os travelling about one and a quarter times around the world so the spherical nature of the world needs to be taken into account!