Your question is Separate Acquisition From Activation Issues. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You're looking at a growth slowdown in a product with a clear signup and onboarding flow. The team wants to know whether the problem is happening at the top of the funnel, where fewer qualified users are arriving, or in the early product experience, where users are signing up but not reaching first value.
How would you identify whether a growth problem is an acquisition issue or an activation issue?