Please solve and show work and explanation. (ignore the answers i put, please start over)

O UBC UBC "GOOG UBC UBC C C E D Notification badges. Problem 2. PREVIEW ONLY -- ANSWERS NOT RECORDED "GOOGL (3 points) Consider a giant hourglass built in two parts, a circular cone is placed on top of a cylinder, as shown in the picture below. Notification badges. 5 T2 h2 5 10 T1 h1 Sand is flowing from the cone to the cylinder. The cylinder has a height of 10 metres, and radius of a metres, the cone has height & and the radius at the top is 5. The volume of a cylinder of radius r and height h is Vey! = arch and the volume of a circular cone of radius r and height h is Vcone = $2h. Let Vi be the volume of sand cylinder. a) We have dri = a di dv2 for some a. What is a? 1/3 MacBook Air