The figure shows the graph of vx versus time for an object moving along the x-axis. What is the acceleration ax at t = 7.0 s? 
Definitions:
Embodied Agent
An AI system that interacts with the world through a physical body within its environment, often a robot or virtual character.
Optical Character Recognition
Technology that converts different types of documents, such as scanned paper documents or PDFs, into editable and searchable data.
Image Recognition
The ability of software to identify objects, places, people, writing, and actions in images.
Calculation
The process of determining a mathematical result or solving a numerical problem.
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