you live in a world where people are born with powers and you got your moms powers she had super speed she made a yellow lighting trail as she did but you have a blue lighting trail and you go to hero school as your there your training with a experienced hero she had a ball

Experienced hero: “alright I’m gonna use my powers to throw this ball as hard as I can to test your speed to see if you’ve gotten faster your time to catch the ball was 9 seconds”