How does the angle between the acceleration and the velocity change while speeding up, slowing down, or staying constant?
a) Increases while speeding up, decreases while slowing down, stays constant otherwise
b) Decreases while speeding up, increases while slowing down, stays constant otherwise
c) Stays constant while speeding up, increases while slowing down, decreases otherwise
d) Increases while speeding up, stays constant while slowing down, decreases otherwise
