"It's come to my attention that x has only committed 8 times in the past ~2 years. I'm not aware of other substantial work that they've accomplished. Should I b

"It's come to my attention that x has only committed 8 times in the past ~2 years. I'm not aware of other substantial work that they've accomplished. Should I be slowing things down? I love this company and feel like my accomplishments speak for themselves, but I don't want to risk burnout if I'm working so far beyond the level that is actually expected. My understanding is that this concern is shared by my peers."