Answer:
The rate or change of velocity over time
Hard rubber soles, white, and the laces are short so you dont trip over them as often
An 18 month old baby and experiencing the world through senses is in Piaget's sensorimotor stage. The sensorimotor stage is the development of our senses such as, sense of sight, hearing, feeling, tasting and smelling. The sensorimotor stage is developed through 18 to 24 months of age.