The string in the figure is 50 cm long.When the ball is released from rest, it swings along the dotted arc.How fast is it going at the lowest point in its swing? 
Definitions:
Price Dimension
Refers to the components that make up the pricing structure of a product or service, including base price, discounts, and surcharges.
Sales Period
The Sales Period is a specific timeframe during which a company focuses on selling a product or service, often aligning with marketing campaigns or seasonal demands.
Hockey Stick Phenomenon
A sudden and significant increase in activity, sales, or performance, often occurring after a period of flat or unremarkable performance.
Post-Ownership Costs
Expenses incurred after purchasing a product, including maintenance, repair, and operational costs, affecting the total cost of ownership.
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