Final answer:
The two most sensible actions to address workload greater than the team's capacity during Sprint Planning are to remove lower-priority tasks and decrease the scope of the sprint, since they align with Agile principles and maintain the team's rhythm.
Step-by-step explanation:
When the workload during a Sprint Planning meeting becomes greater than the Development Team's capacity, the two most sensible actions to consider would be to remove lower-priority tasks and decrease the scope of the sprint. Extending the sprint duration is not advisable as it goes against the principles of fixed iterations in Agile methodologies and adding more team members, especially in the short term, does not usually solve the problem due to the time it takes for new members to become productive (ramp up time) and the potential for communication overhead.
Instead, the team should focus on actions that maintain the rhythm of the development process while adjusting to the current capacity constraints. By removing lower-priority tasks or decreasing the scope, the team ensures they can deliver value within the sprint without overburdening the team members, which could lead to burnout or reduced quality.