How would you explain the term 'Expansion ARR velocity' and why it matters?

How would you explain the term 'Expansion ARR velocity' and why it matters?

• A. Expansion ARR velocity measures how fast new customers are acquired.
• B. Expansion ARR velocity measures cash collections speed.
• C. Expansion ARR velocity measures how fast ARR grows from expansions; higher velocity indicates stronger upsell performance and faster ARR growth.
• D. Expansion ARR velocity measures churn rate.

Answer: (C)