HELP PLS! Alberto and Bianca run a 50 km race. The illustration below shows the graph of the two positions of the two runners as a function of time.

Complete the following sentences based on the graph of the function.

EARLY IN THE RACE, { A. Alberto B. Bianca C. Nobody} RUNS FASTER

Alberto maintains a speed of {blank} km/h during the first hour of the race. However, after one hour he gets tired and must take a break. Unfortunately, he falls asleep!

Meanwhile, Bianca's running speed {A. Keeps increasing B. Keeps decreasing C. Stays the same}

The first person to cross the finish line is { A. Alberto B. Bianca C. Nobody}