A particle moves with simple harmonic motion. If its acceleration at distance 'D' from the equilibrium position is 'A' then the period of the motion is given by

• A. 2
• B. <span class="root">AD</span>
• C. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/98-590-2.png">
• D. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/98-590-3.png">
• E. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/98-590-4.png">