I can understand why you don't like that. It sounds very destabilizing for you.
Are you able to talk to your T about this? It might be a case of 'too much too soon'. It can be really helpful to develop a solid base of grounding skills before venturing into traumatic history and re-association work, just to ensure you have both the internal and external support necessary to maintain stability. If the homework triggers you to the point of feeling out of control it seems like a good sign that you're not quite ready for that work yet.
Are you able to raise this with your T?