Find the speed of a particle with the given position function. 
Definitions:
Job Description
A formal account of an employee's responsibilities, duties, and scope of work within an organization.
Paired Comparison
A technique used in performance appraisals where employees are compared with each other in pairs, to rank individuals in terms of performance.
Classification/Grading
A job evaluation approach where positions are grouped into categories or grades based on similar duties, responsibilities, and qualifications requirements.
Job Evaluation
A systematic process used to determine the relative worth of jobs within an organization to establish fair and equitable pay.
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