Question

In a women’s 100-m race, accelerating uniformly, Laura
takes 2.00 s and Healan 3.00 s to attain their maximum
speeds, which they each maintain for the rest of the race.
They cross the finish line simultaneously, both setting a
world record of 10.4 s. (a) What is the acceleration of each
sprinter? (b) What are their respective maximum speeds?
(c) Which sprinter is ahead at the 6.00-s mark, and by how
much? (d) What is the maximum distance by which Healan
is behind Laura, and at what time does that occur?