# Animate ellipse drawing

$$(x/3)^2+(y/5)^2=1$$, $$x=3\sin[t]$$, $$y=5 \cos[t]$$

I want to draw a phase trajectory with time-lapse using manipulate or animate.

Manipulate[ParametricPlot[(x/3)^2 + (p/5)^2 == 1, {x, -3, 3}, {p, -5, 5}], {t, 0, 10}] I tried this code. It is not working. What is the proper version?