Please answer the questions with blue text

Part $1-$ Introduction

Notice the two tabs at the top left of the screen.

How does the Moving Man react when you adjust the blue Position slider? $($you can also type a number into the box$).$

How does the Moving Man react when you adjust the red Velocity slider? $($you can also type a number into the box$).$

Click on Velocity Vector to the right of the red slider. Play with the simulation. What rule does the Velocity Vector follow?