An object is moving in a straight line along the x-axis.A plot of its velocity in the x direction as a function of time is shown in the figure.Which graph represents its acceleration in the x direction as a function of time? 
Definitions:
Investor's Rate
The expected or required rate of return on an investment, influencing investment decisions and portfolio management.
NPVGO
Net Present Value of Growth Opportunities; the present value of future investments' cash flows minus initial investments.
Dividend Growth Rate
The annual percentage rate of growth of a company’s dividend payments to shareholders.
Investor's Return
The positive or negative shift in an investment's financial value during a set interval, portrayed as a percentage of the investment's initial price.
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