A vertical test-rig uses a spring to launch a miniature research probe upwards.

Just before the probe is released, the spring has a compression of 0.06 m0.06\text{ m}0.06 m.
Calculate the maximum speed of the probe just after it is released. Give the unit.
Complete the sentence:
As the probe climbs upwards through the air, there is a decrease in the ____________ energy of the probe.
Give one factor that would increase the maximum height reached by the probe before it momentarily comes to rest.