How's this sound...
If you want a non-canon, but fully capable, answer- The Jenolan's shields were starting to collapse (I think something to that effect was mentioned in the episode), in the time between the shields going off and the actual door to hull connection the Enterprise was able to beam the two officers off the soon to be crushed (like an empty beer can) Sydney-class ship. Other wise, just keep repeating to yourselves, Trek-based shows need a new editor, to catch the little mistakes.
Phoenix...
"I'm not saying there should be capital punishment for stupidity,
but maybe we should just remove all the safety lables and let nature take it's course"
"A Place For Everything & Nothing In It's Place"