A particle moves with position function 
Find the acceleration of the particle.
Definitions:
Cooperative Play
A stage of play development where children play together, share, and engage in group activities.
Oppositional Defiant Disorder (ODD)
A behavior disorder in children and adolescents characterized by a persistent pattern of disobedient, hostile, and defiant behavior towards authority figures.
Social Skills Groups
Therapy groups designed to teach individuals how to interact appropriately with others and improve their social interaction abilities.
Group Therapy
A form of psychotherapy that involves one or more therapists working with several people at the same time, often focusing on shared issues or experiences.
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