Shepard actually sees her before she hears her voice. She comes over to and looked up at Red. "I'd say." It really is a sort of 'situation' that people wouldn't want to be in. It's not said sarcastically so much as just an observation.

"Hold on, let me figure out how to get you down safely." She doesn't want to just cut her down and then have her fall painfully to the ground. Instead, she figures out how the trap was set up and then uses her upper body strength to lower Red a bit more carefully.

Once the net and the woman instead are on the ground, she comes over to help Red out of the net. "You all right?"