PLEASE HELP ASAP I EILL GIVE 100 POINTS!!! Kristy is on the track team. She runs the one kilometer race by going four times around the circular track. How does Kristy velocity change.
A. Her velocity changes countinually since her direction constantly changes
B. Her velocity depends on only on how she paces herself during the race
C. Her velocity is the same as her speed
D. Her speed changes at the same rate as velocity