[She notices the lack of signs of exertion with a side glance, and bites her lower lip rather than immediately comment on it. The people pulling this together strongly recommended participating, for the sake of doing better on future missions... But maybe some people hadn't struggled with this one, and felt more comfortable coasting. She's too embarrassed about her performance to follow that example, as much as she wants to.]

...Y-You're not, um, wrong about that. But! But, that's not... It's for the exercise. It seems like... struggle is always part of that? I don't know how to exercise efficiently.

[There's an inkling of pleading, at the end - if he has hints for that, rather than hints of mocking, she'd love to hear it.]