PMP Practice: Determine and prioritize requirements

Sky Okonkwo is the product owner for Vortex Prism Studios, a company developing a mobile fitness app using two-week sprints. During sprint planning for Sprint 7, the development team has committed to completing eight user stories totaling 34 story points. On day three of the sprint, the VP of Marketing approaches Sky with an urgent request to add a social media sharing feature, claiming a competitor just launched something similar and the company is at risk of losing market differentiation. The VP insists this feature must be in the next release, which is scheduled immediately after Sprint 7. The development team estimates the new feature at 21 story points. Sky reviews the current sprint backlog and notes that the team's historical velocity is 32-36 story points per sprint, and they have never successfully completed more than 38 story points. What should Sky do?