If 1 object move from point a to b without changing speed what is happening to objects between points a and b? is it the object is speeding up or the object has no velocity or the object is slowing down or the object's acceleration is zero?

22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?