Find the speed of a particle with the given position function. 
Definitions:
Hypnotic Suggestion
A directive given during hypnosis intended to influence thoughts, behaviors, sensations, or perceptions.
Encoding Failure
The inability to create a memory link for information, resulting in its forgetfulness.
Repression
In psychoanalytic theory, the basic defense mechanism that banishes from consciousness anxiety-arousing thoughts, feelings, and memories.
Memory Construction
The process whereby the brain forms, stores, and reconstructs information and experiences into memories.
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