The point of view and purpose change how a reader reads and understands a piece of text. A different purpose has the reader reading the text with a different mindset.
Answer:
Velocity is a physical vector quantity; both magnitude and direction are needed to define it. The scalar absolute value (magnitude) of velocity is called speed, being a coherent derived unit whose quantity is measured in the SI (metric system) as metres per second (m/s) or as the SI base unit of (m⋅s−1).
