[Link was indisposed when he heard the sound in the stairwell. It doesn't matter why he was indisposed. He just was. Some things are personal even in bracket comments! Stop wondering about that and pay attention to what he does!
So, he waited only as long as it took to unindispose him and then made his way quickly to the stairs to see what had happened. He catches sight of Miranda below.]
You've fallen! [This is why they made him inspector.]