question_answer

A boy takes 5 seconds to reach each point from A to B, B to C and C to D as shown in the diagram. If AB = BC = CD = 20 m then which of the following information is correct when the boy reaches point D from point A?

A)

Velocity \[(m\text{ }{{s}^{-1}})\]	Speed \[(m\text{ }{{s}^{-1}})\]
4	4

B)

Velocity \[(m\text{ }{{s}^{-1}})\]	Speed \[(m\text{ }{{s}^{-1}})\]
1.33	1.33

               

C)

Velocity \[(m\text{ }{{s}^{-1}})\]	Speed \[(m\text{ }{{s}^{-1}})\]
4	1.33

               

D)

Velocity \[(m\text{ }{{s}^{-1}})\]	Speed \[(m\text{ }{{s}^{-1}})\]
1.33	4