from physics import *
from vector import *
from constants import *
p = SphericalParticle(radius=0.6)
U = Universe(p)
U.add_force(UniformGravity(), StokesDrag(), Buoyancy())
while True:
    print(p.velocity.z)
    U.update(dt)

0a40ccb1e109e4321e128642866851e9d3adcb90
<mask token>

<mask token>
U.add_force(UniformGravity(), StokesDrag(), Buoyancy())
while True:
    print(p.velocity.z)
    U.update(dt)

<mask token>
p = SphericalParticle(radius=0.6)
U = Universe(p)
U.add_force(UniformGravity(), StokesDrag(), Buoyancy())
while True:
    print(p.velocity.z)
    U.update(dt)

from physics import *
from vector import *
from constants import *
p = SphericalParticle(radius=0.6)
U = Universe(p)
U.add_force(UniformGravity(), StokesDrag(), Buoyancy())
while True:
    print(p.velocity.z)
    U.update(dt)
