text: from .radio_medium import RadioMedium
  from .logger import logconf
  
  
  logger = logconf('../../data/raw/rocket.log')
  
  
  class Environment(object):
  
      def __init__(self, g=9.8):
          self._g = g  # m/s**2
          self._radio_medium = RadioMedium()
          logger.info(f'Environment created')
  
      def react(self, net_force, altitude):
          pass
          return
  
      def calc_force(self, m1, m0, v1, v0, t1, t0):
          return (m1 * v1 - m0 * v0) / (t1 - t0)
  
      def calc_alt(self):
          m * (dv/dt) = rve - mg
  
          return