["I was recently added to a team of people to work on a new project at my job.  I'm not really sure the goal of the project is a good idea, so I've been reluctant to really jump into the project fully."]
Why do you feel that way?
I recently joined a new team of people at work (a new work group), and I was feeling unsure about the goals of the project we were working on or whether the project was even a good idea or not.