Okay... problems. For those who think it is logical of her to assume a METEORITE caused the explosion... why the shit would she assume a pretty unlikely option?
Considering the setting, she should have paused the examinations to get a team/battalion together to investigate the explosion. More likely, it would be an enemy attack, a dragon, fucking anything other than a falling rock(though, considering how strong the MC is, this IS kind of accurate to call it a meteorite).
And with the crystal ball exploding... if she somehow manages to think of an excuse at that point, then she is REALLY incompetent. She was ALSO keeping a good watch on it too. If she somehow manages to NOT look at the situation and do what she can to investigate... she doesn't deserve to be someone who examines people. Maybe she would be more ideal to be the trainer rather than the examiner... but she needs to fucking stop.
Edit: Also, it is kind of funny that they are calling 15 seconds on a 100M dash slow... if the people that exist aren't that far out of human limits, this is a time for a proper athlete, thus, above average for those who want to be knights/soldiers. He's also a young kid, someone who hasn't reached their physical peak... not realizing that is a folly on her as an examiner of potential soldiers. Get this kid, and train him for longer. Even in the scenario that he wasn't the strongest/biggest like reality is... he has good foundations just from that false recorded time.
Edit: Also... why speed? Once you get in heavy enough armor, it's endurance you have to test.