2.2 The Derivative: Instantaneous
Rate of Change

Checkpoint 4

If the position `s` of a falling body at time `t` is given by `s=ct^2`, where `c=4.90`, find the instantaneous speeds at the following times:

  1. `t=1`

  2. `t=2.5`

  3. `t=17`

  4. `t=sqrt(34)`