Local acceleration from tangent gradient
A tangent on a velocity-time graph from a robot cart data logger changes from \(8\,\text{m s}^{-1}\) to \(16\,\text{m s}^{-1}\) across \(2.2\,\text{s}\). Estimate the instantaneous acceleration. Use the diagram before entering the requested value. Enter the numerical result and choose the interpretation that matches the physics meaning.
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