10mA
10kΩ
0.1µF
2µF
5V
5kΩ

vc(0-) = -100 V ; ic(0+) = -20 mA
vc(∞) = 5 V ; ic(∞) = 0 mA
τ = 0.476 ms

vc(t) = 5 - 105e-2100t [V] ; t ≥ 0
time for vc to reach 0V: 1.45ms

ic(t) = -100 - 20e-2100t [V] ; t ≥ 0
time for ic to reach 0A: never, but 2.381ms is close