A student walks east 100 meters in 2 minutes. She then walks north 200 meters in 4 minutes. Which statement is true?(1 point)
Responses
Her velocity is constant because her speed is constant.
Her velocity is constant because her speed is constant.
Her velocity is constant because her direction is constant.
Her velocity is constant because her direction is constant.
Her velocity changes because her direction changes.
Her velocity changes because her direction changes.
Her velocity changes because her speed varies.