answer: Miss Lin is late because she had an article. Then Miss Lin starts her speaking and #Person1# asks her to speak up.
documents: #Person1#: We can't wait any longer. . .
  #Person2#: I'm terribly sorry to be so late. I had an article. . .
  #Person1#: You'll knock yourself out the way you've worked. Why don't you slow down?
  #Person2#: I can't afford to.
  #Person1#: All right. Now that everybody's here. Shall we be getting started? Miss Lin, are you ready?
  #Person2#: Yes, thanks. Before I start, I'd like to thank Professor Smith for all his help in giving me unlimited access to his research materials.
  #Person1#: Excuse me, Miss Lin. Would you mind speaking up, please? I can't hear you very well.
  #Person2#: Sorry, I'll try to speak louder.