Vera uploaded a hilarious video to a funny videos website.
$V(t)$ models the number of views the video got as a function of time $t$ (in hours).
$t$ | $5$ | $10$ | $20$
:- | :-: | :-: | :-:
$V(t)$ | $70$ | $180$ | $500$
**When did the number of views increase faster?**
[[☃ radio 1]]