Find the velocity, acceleration, and speed of an object with position function 
for 
Sketch the path of the object and its velocity and acceleration vectors.
Definitions:
Substitution
A method for solving systems of equations where one of the equations is solved for one variable in terms of others, and that expression is substituted into the other equation(s).
Equations
Mathematical statements that assert the equality of two expressions, typically involving variables.
Solutions
The values or sets of values that satisfy an equation, inequality, system of equations, or other mathematical conditions.
Substitution
A method of replacing a variable with a value or another expression.
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