David, ping, mandy, and alan are each studying one of the animals shown in the table for a science project. animal study project animal speed type habitat elephant 25 mph (running) mammal grasslands sailfish 68 mph (swimming) fish oceans giraffe 32 mph (running) mammal grasslands dolphin 30 mph (swimming) mammal oceans source: david is studying a mammal, but ping is not. the animal that mandy is studying can be found in the ocean. the animal that alan is studying is slower than the animal that david is studying.