my teacher solved these questions and i don't know how to solve it

1.5 - Worksheet Answers - Motion Graphs.pdf 1 4 Ars wer key Motion Graphs for Different Types of Motion Moving Forward at Constant Velocity (Slow) A person is standing 3 m behind the origin and walks forward at a constant velocity of 1 m/s. Position-Time Velocity-Time Acceleration-Time Graph Graph Graph 2 1 A w N H O H N W A U acceleration (m/s^2 [forward]) position (m [forward]) in A W N H OH N W A UT 56 ab NON Am OOO velocity (m/s [forward]) 0 2 3 5 0 1 2 3 4 5 0 1 2 3 4 5 time (seconds) time (seconds) time (seconds) Moving Forward at Constant Velocity (Fast)