Final answer:
Diffusion can be accelerated by increasing the temperature, using lighter molecules, and having a larger concentration gradient between areas.
Step-by-step explanation:
The rate of diffusion can be influenced by several factors. Three key factors that can make diffusion faster include temperature, mass of the diffusing molecules, and extent of the concentration gradient. Higher temperatures increase the kinetic energy of molecules, which speeds up their movement and therefore increases the rate of diffusion. Conversely, larger molecules have more mass and thus move more slowly; lighter molecules will diffuse faster. Additionally, the extent of the concentration gradient plays a significant role; a greater difference in concentration across space means a faster rate of diffusion until equilibrium is approached.