In new Zealand there is a river known as the kaituna. on it, there exists a 23- foot waterfall; some peoplelike to go over the waterfall on a raft. a group of 6 people decide to give it a try; they consist of four adults and two teenagers.
the raft must be travelling at least 30 miles per hour in order to successfully go over the falls; otherwise it will tip over. the river flows at one-sixth of the needed speed. an adult can paddle the same speed as two adults.
how fast is the raft travelling?
will the group be able to make it over the falls without tipping over?